UI/Front-End Developer React Jobs in New York, NY

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Founding Member of the Technical Staff (Product/Full Stack) / React / Williamsburg, Brooklyn, NY

Motion Recruitment Partners, LLC

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New York, New York, USA

Full-time

Founding Full Stack Engineer (In-Person, NYC) Join a small, technical team building the future of LLM infrastructure. We're creating open-source tools that help developers optimize and monitor LLM applications at scale - from prompt tuning and routing to real-time evaluations and A/B testing. We're looking for a founding engineer who is excited to work across the stack and contribute to impactful, user-facing features. Our Stack Frontend: React, Radix UI Backend: Rust, TypeScript ML: Open-sou
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Posted 60+ days ago | Updated 10 hours ago

Software Development Engineer

Aditi Consulting

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Remote or Seattle, Washington, USA

Contract

Payrate: $100.00 - $110.00/hr. Summary: Our team is looking for top-notch software developers who love listening to our customers, working as a team, and proactively taking the lead whenever necessary. Our mission is to innovate and build scalable and robust software solutions that deliver a great customer experience. These software solutions will directly impact Client s customers from product selection and order placement, to delivering products to our customers as quickly and cost effectivel
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Posted 6 days ago | Updated 9 hours ago

Full Stack Developer W/ AdTech

R Systems, Inc.

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Remote

Contract

Position: Full Stack Developer W/ AdTech Location: Remote Duration: 6 Months+ Interview Type: 2 Rounds About R Systems: R Systems is a leading digital product engineering company that designs and develops chip-to-cloud software products, platforms, and digital experiences that empower its clients to achieve higher revenues and operational efficiency. Our product mindset and engineering capabilities in Cloud, Data, AI, and CX enable us to serve key players in the high-tech industry, includin
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Posted 2 days ago | Updated 22 hours ago

Lead Software Engineer - CoCounsel AI Applications

Thomson Reuters U.S. Inc.

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Frisco, Texas, USA

Full-time

Ready to lead the next generation of AI-powered legal technology? Join Thomson Reuters and shape the future of CoCounsel AI Applications. At Thomson Reuters, we're revolutionizing how legal professionals work through cutting-edge generative AI solutions. As Lead Software Engineer of CoCounsel AI Applications, you'll will develop next generation CoCounsel product to transform the legal industry. About the role:As a Lead Software Engineer, you will: Be a Developer/Programmer- Develop software ap
Posted 4 days ago | Updated 1 hour ago

*Senior Product Designer*

Kellton

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Remote

Contract, Third Party

Kellton Tech is a full-service software development company, offering end-to-end IT solutions, strategic technology consulting and product development services in Web, SMAC (Social, Mobile, Analytics, Cloud), ERP-BPM, and IoT space Our methodology of inventing infinite possibilities with technology helps us develop best in-class and cost effective solutions for our clients. Currently Kellton Tech is looking for talented resources for one of our listed client. Below are the position details: Kell
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Posted 14 days ago | Updated 14 days ago

Senior Technical Architect - WMA Technology CTO

UBS AG - Investment Banking

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Rockleigh, New Jersey, USA

Full-time

Your role Do you enjoy creating and maintaining a strong and stable architectural foundation on which innovative, creative and sustainable solutions can be built? Do you have great depth in technical knowledge as well as the ability to communicate effectively with stakeholders in IT and Business? At UBS, we re-imagine the way we work, the way we connect with each other - our colleagues, clients and partners - and the way we deliver value. Being agile will make us more responsive, more adaptable
Posted 12 days ago | Updated 1 hour ago

Sr. Software Engineer- Only Direct Hire

Sansar Tec

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Remote

Full-time

Job SummaryWe are looking for a highly skilled and experienced Sr. Software Engineer to guide a team of developers in designing, building and maintaining scalable and secure applications on MS technology stack focusing on .Net C# on Azure cloud services with SQL Server as the database. This role requires strong technical leadership, hands-on development and collaboration across teams to ensure timely and high-quality software delivery.Responsibilities Lead the design, development, testing, deplo
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Posted 28 days ago | Updated 8 days ago

Full Stack Engineer | Google Cloud Platform | Only W2

TekDallas

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Remote

Full-time

Position: Full Stack Engineer Location: 100% Remote (EST time zone) Contract Duration: 12 Months + Contract Qualifications: Must be strong full stack developer, comfortable working across React, Python, and SQLFront End: React.jsBack End: Python & SQLCloud: Google Cloud Platform required10+ years of full stack development experienceStrong experience with React.js (hooks, state management, component libraries)Advanced backend development using Python (Flask, FastAPI)Hands-on experience with Googl
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Posted 9 days ago | Updated 2 days ago

Director of Software Development

S&P Consultants

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New York, New York, USA

Full-time

About the Role: Grade Level (for internal use): 13 Job Description The Team: We are building an end-to-end client lifecycle management solution, where technology drives procedural automation and standardization. Our solution includes industry-leading modules and tools widely adopted by financial institutions. This strategic initiative spans the entire client lifecycle-from onboarding to maintenance and offboarding-while providing seamless integration with various in-house products. We leverage
Posted 44 days ago | Updated 1 hour ago

Associate Director, Software Engineering

S&P Consultants

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New York, New York, USA

Full-time

About the Role: Grade Level (for internal use): 12 About the Role: The Team: Our team is responsible for the End-of-Day calculation platform that processes large volumes of data to calculate over 800,000 index values and generate thousands of reports daily. What sets us apart is our focus on performance, accuracy, and scalability in a high-stakes environment. We value innovation, accountability, and collaboration, and this role will play a key part in launching new asset classes with novel cal
Posted 21 days ago | Updated 1 hour ago

Software Developer IV

Voyatek

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Remote

Full-time

Outcomes. Delivered. Voyatek delivers outcome-driven technology solutions to public sector agencies and higher education institutions nationwide. For example, our technology: Facilitates access to nutritious food for children of mothers participating in the WIC programSupports first responders in reducing opioid overdoses within their communitiesEmpowers colleges and universities to identify and thwart financial aid fraudEquips teachers with valuable insights to identify students requiring addit
Posted 20 days ago | Updated 1 day ago

Senior Software Developer

Fiserv

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Berkeley Heights, New Jersey, USA

Full-time

Calling all innovators - find your future at Fiserv. We're Fiserv, a global leader in Fintech and payments, and we move money and information in a way that moves the world. We connect financial institutions, corporations, merchants and consumers to one another millions of times a day - quickly, reliably, and securely. Any time you swipe your credit card, pay through a mobile app, or withdraw money from the bank, we're involved. If you want to make an impact on a global scale, come make a differ
Posted 22 days ago | Updated 10 hours ago

Software Developer

Fiserv

•

Berkeley Heights, New Jersey, USA

Full-time

Calling all innovators - find your future at Fiserv. We're Fiserv, a global leader in Fintech and payments, and we move money and information in a way that moves the world. We connect financial institutions, corporations, merchants and consumers to one another millions of times a day - quickly, reliably, and securely. Any time you swipe your credit card, pay through a mobile app, or withdraw money from the bank, we're involved. If you want to make an impact on a global scale, come make a differ
Posted 22 days ago | Updated 10 hours ago

Senior Vice President - Engineering

Mastercard

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New York, New York, USA

Full-time

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest po
Posted 5 days ago | Updated 1 hour ago

NodeJS/ Application Architect

ADDSOURCE

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Remote or Texas, USA

Contract, Third Party

Title: NodeJS/ Application Architect Location: Irving, TX (remote) Duration: Contract to Hire after 6 Months What is in it for you? As a NodeJS/Application Architect, you will be a part of an Agile team to build healthcare applications and implement new features while adhering to the best coding development standards. Responsibilities: - 10+ years of experience in full-stack development with expertise in: Application architect, Lead Full stack - MERN Frontend: React.js, Remix, TypeScript, Java
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Posted 6 days ago | Updated 5 hours ago

Global Transaction Banking Technical Specialist

TD Bank Group

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New York, New York, USA

Full-time

Work Location : New York, New York, United States of America Hours: 40 Line of Business: Technology Solutions Pay Detail: 00 USD TD is committed to providing fair and equitable compensation opportunities to all colleagues. Growth opportunities and skill development are defining features of the colleague experience at TD. Our compensation policies and practices have been designed to allow colleagues to progress through the salary range over time as they progress in their role. The base pay actual
Posted 6 days ago

Software Engineer

Prudential Financial, Inc.

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Newark, New Jersey, USA

Full-time

Job Classification: Technology - Engineering & Cloud Are you interested in building capabilities that enable the organization with innovation, speed, agility, scalability, and efficiency? The Corporate Technology team takes great pride in our culture where digital transformation is built into our DNA! When you join our organization at Prudential, you'll unlock an exciting and impactful career - all while growing your skills and advancing your profession at one of the world's leading financial se
Posted 6 days ago

Associate Director, Software Engineering

S&P Global

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New York, New York, USA

Full-time

About the Role: Grade Level (for internal use): 12 About the Role: The Team: Our team is responsible for the End-of-Day calculation platform that processes large volumes of data to calculate over 800,000 index values and generate thousands of reports daily. What sets us apart is our focus on performance, accuracy, and scalability in a high-stakes environment. We value innovation, accountability, and collaboration, and this role will play a key part in launching new asset classes with novel cal
Posted 22 days ago

Sr. React Native Developer (USA and Canada)

I-Giants

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Remote

Contract

Job Title: Sr. React Native Developer Locations: US and Canada location (Remote) Job Description We are looking for a Mobile App developer proficient in React Native with experience or desire to learn other frameworks such as Web Applications in React or Native development in Kotlin/Swift or Flutter. This position presents the opportunity to work on team-based projects in a variety of areas, including mobile development, front-end web development, and server side JavaScript programming. You wi
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Posted 12 days ago

Software Developer

CyberOne LLC

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Remote

Contract, Third Party

This position is 100% Remote. As a Co-op Software Developer, you'll join our multidisciplinary product team working on real-time AI and XR systems. You ll help prototype and build scalable, interactive applications involving AI avatars, AR/VR storytelling, and agentic pipelines. This is an opportunity to work hands-on with cutting-edge tools and contribute to production-grade innovation. What You ll Work On Building AI avatars with voice, gesture, and environment interactivityDeveloping AR/VR s
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Posted 13 days ago